Home / 750,745.15-1,126,179.17-218,265.52

Finding the Fourth Proportional to 750,745.15, 1,126,179.17 and 218,265.52

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Solution

The fourth proportional to 750,745.15, 1,126,179.17 and 218,265.52 is: 327,416.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,745.15 : 1,126,179.17 = 218,265.52 : x
  2. Step 2: Convert to fraction form
    750,745.15/1,126,179.17 = 218,265.52/x
  3. Step 3: Cross multiply
    750,745.15x = 1,126,179.17 × 218,265.52
  4. Step 4: Simplify right side
    750,745.15x = 245,806,082,153.22
  5. Step 5: Solve for x
    x = 245,806,082,153.22/750,745.15
  6. Step 6: Final answer
    x = 327,416.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.